Medical filter



FIG. 1 is a perspective view of a medical filter showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, with all other sides being identical to that shown; and,

FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 2. 

The ornamental design for a medical filter, as shown and described. 